公开(公告)号：US11178739B2

公开(公告)日：2021-11-16

申请号：US16788964

申请日：2020-02-12

申请人： iDESYN Semiconductor Corp.

发明人： Shih-Hsueh Yang

IPC分类号： H05B45/30 ,  H05B45/14

摘要： The present invention provides a constant-current-source driving system, comprising: a power source module, a primary working load module, a secondary working load module, and a weighting controller. The primary working load module is connected to the power source module in order to be driven by electricity provided by the power source module. The secondary working load module is connected to the primary working load module and parallel-connected to a variable-impedance controller. The weighting controller is connected to a first circuit of the variable-impedance controller and to a second circuit of the secondary working load module in order to obtain a first current value of the first circuit and a second current value of the second circuit, wherein the weighting controller compares a sum of the first current value and the second current value with a preset target current value and sends a control signal to the variable-impedance controller as feedback in order for a constant current to be supplied to the primary working load module.

公开(公告)号：US20210352783A1

公开(公告)日：2021-11-11

申请号：US17315698

申请日：2021-05-10

申请人： Wangs Alliance Corporation

发明人： Sean Tham ,  Peter Vancorenland ,  Michael Sabolcik ,  Voravit Puvanakijjakorn ,  Jonathan Ian Hoffman ,  Dimauro Andrade Edwards ,  Dunping Hu ,  Hu Jianqiu ,  Lu Zhongliang ,  Zou Sikang ,  Li Renyun ,  Du Lin ,  Zhou Wenjie ,  Wu Chong ,  Wu Limei ,  Gong Xingping ,  Li Jinqiang

IPC分类号： H05B45/10 ,  H05B45/30 ,  H05B45/20 ,  F21K9/00

摘要： Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board. The elongated board may include a non-polar power socket.

公开(公告)号：US11162653B2

公开(公告)日：2021-11-02

申请号：US16810659

申请日：2020-03-05

申请人： Lumileds LLC

发明人： Manuel Grave ,  Nikolai Timm

IPC分类号： F21S4/24 ,  H05B45/30 ,  F21V23/00 ,  F21V23/06 ,  F21Y115/10

摘要： A modular LED string, an LED lighting assembly containing the LED string, and a method of manufacturing the lighting assembly are described. In various embodiments, the LED string contains LED module groups mounted on a carrier. Each module group has a series-connected row of LED modules, commencing with a first LED module followed by at least one inner LED module and terminated by a final LED module. Each main contact pad is electrically connected to a main supply track formed on the carrier and is arranged between neighbouring modules. Each secondary contact pad is electrically connected to a secondary supply track formed on the carrier and is arranged on either side of an inner module. An anode contact of each first module is electrically connected to the main supply track, and an anode contact of each remaining module is electrically connected to a secondary supply track.

公开(公告)号：US20210337641A1

公开(公告)日：2021-10-28

申请号：US17353842

申请日：2021-06-22

申请人： Shenzhen Zixuan Optoelectronic Technology Co., Ltd

发明人： Rui Li

IPC分类号： H05B45/30

摘要： The present disclosure discloses an inductive series switch control system. The control system includes several control modules that are connected in series, a first output inductive switch, and a second output inductive switch. Each control module is independently connected with an output interface, and each output interface is connected to a light-emitting diode (LED) lamp of a stair lamp; every two adjacent control modules are connected through three lines that are respectively an anode circuit, a negative circuit, and a signal circuit; the first output inductive switch is electrically connected to the first control module in the serially connected control modules; the second output inductive switch is electrically connected to the last control module in the serially connected control modules; and the anode circuit and the cathode circuit between any two control modules are connected to a power input end.

公开(公告)号：US20210328679A1

公开(公告)日：2021-10-21

申请号：US16850927

申请日：2020-04-16

申请人： International Business Machines Corporation

发明人： Frank Robert Libsch ,  Ghavam G. Shahidi ,  Cyril Cabral, JR.

IPC分类号： H04B10/50 ,  H01L33/00 ,  H05B45/30 ,  H01L27/146 ,  H04B10/40 ,  H04B10/69

摘要： A silicon chip carrier includes at least two of a photosensitive P-I-N diode, a non-photosensitive P-I-N diode, a photosensitive P-(metal)-N diode, a non-photosensitive P-(metal)-N diode, and a Schottky diode all integrally formed in the same layers of the chip carrier. In some embodiments, diodes formed in the chip carrier provide photovoltaic power and power regulation to a circuit mounted on the chip carrier.

公开(公告)号：US20210322981A1

公开(公告)日：2021-10-21

申请号：US17363792

申请日：2021-06-30

申请人： Shanghai AVIC OPTO Electronics Co., Ltd.

发明人： Kerui XI ,  Feng QIN ,  Xiangjian KONG ,  Jiubin ZHOU ,  Guicai WANG ,  Yajie WANG ,  Tingting CUI

IPC分类号： B01L3/00 ,  G01N27/22 ,  G09G3/34 ,  H01L27/12 ,  H03K17/687 ,  H05B45/30

摘要： A panel includes a substrate, an array layer and an electrode array layer. The array layer is on a side of the substrate; the electrode array layer is on a side of the array layer away from the substrate; and the array layer includes an active layer, a gate metal layer and a source/drain metal layer. The substrate includes drive units arranged in an array, scan line groups, data lines extending in a second direction; and common signal lines extending in the second direction. The scan line group includes first scan lines and second scan lines, extending in a first direction. The first direction is perpendicular with the second direction. The electrode array layer includes drive electrodes arranged in an array; the drive electrodes correspond to the drive units; and the drive unit includes a first transistor, a second transistor, a third transistor, a first capacitor and a second capacitor.

公开(公告)号：US11122659B2

公开(公告)日：2021-09-14

申请号：US17012145

申请日：2020-09-04

申请人： Huarong Xie

发明人： Huarong Xie

IPC分类号： H05B45/20 ,  H05B45/30 ,  H05B45/325 ,  H05B45/42 ,  H05B45/44

摘要： A three-wire forward and reverse LED light string control circuit, comprising an external power supply, a MCU, a driving circuit and an LED light group circuit, the driving circuit comprises a P-channel first FET, a P-channel third FET, a P-channel fifth FET, a P-channel seventh FET, an N-channel second FET, an N-channel fourth FET, and an N-channel sixth FET; a first port is provided on the wire between the drain of the second FET and the drain of the third FET, a second port is provided on the wire between the drain of the fourth FET and the drain of the fifth FET, and a third port is provided on the wire between the drain of the sixth FET and the drain of the seventh FET. A 6-way LED light string using the said three-wire forward and reverse LED light string control circuit is also provided.

公开(公告)号：US11122656B1

公开(公告)日：2021-09-14

申请号：US16933631

申请日：2020-07-20

申请人： GaN Power Technology Co., Ltd.

发明人： Tsung Hsien Yen ,  Hsing Yeh Wang ,  Feng Jui Shen

IPC分类号： H05B45/10 ,  H03K17/74 ,  H03K17/687 ,  H05B45/34 ,  H05B45/30 ,  H05B45/345

摘要： An application structure of a gallium nitride field-effect transistor in a dimmer circuit is disclosed, including an LED module, a power supply circuit, a current holding circuit, and a drive circuit. The power supply circuit includes a power supply, a dimmer unit, and a rectifier circuit. The current holding circuit is electrically connected to the rectifier circuit, includes a first control switch, a capacitor capable of charging and discharging, and a plurality of resistors whose current is set, and is configured to provide a stable current to the dimmer unit. The first control switch is provided with a gallium nitride field-effect transistor. The drive circuit is electrically connected to the current holding circuit, includes a second control switch, a screen flicker prevention chip electrically connected to the LED module, and a plurality of resistors whose current is set, and is configured to stably drive the LED module to emit light. The second control switch is provided with a gallium nitride field-effect transistor.

公开(公告)号：US11109459B2

公开(公告)日：2021-08-31

申请号：US16612875

申请日：2018-05-23

申请人： Tsuyoshi Ueno ,  Yuuki Oka ,  Tetsuya Satoh ,  Seiya Abe

发明人： Tsuyoshi Ueno ,  Yuuki Oka ,  Tetsuya Satoh ,  Seiya Abe

IPC分类号： H05B45/30 ,  H05B45/325 ,  H05B45/375 ,  G09G3/00 ,  G09G3/32 ,  H05B45/14

摘要： A drive circuit 3 includes a power source 11; current control units 12-1 to 12-n configured to control the amount of currents supplied to a light emitting element in accordance with a pulse modulation signal; and a calculation unit 13 configured to change a duty ratio of a pulse modulation signal. The current control units 12-1 to 12-n include a first switching element 21 configured to be switched on/off in accordance with a pulse modulation signal; and a second switching element 22 configured to be switched on/off in accordance with an inversion signal of the pulse modulation signal input to the first switching element 21; and an inductor 23. The first switching element 21 and the inductor 23 are serially connected between the power source and the light emitting element. The second switching element 22 is connected between ground 25 and a contact point 24 of the first switching element 21 and the inductor 23. The two or more current control units 12-1 to 12-n are connected in parallel.

公开(公告)号：US11107933B2

公开(公告)日：2021-08-31

申请号：US16619843

申请日：2019-03-06

申请人： Teresa Oh

发明人： Teresa Oh

IPC分类号： H01L29/86 ,  H01L29/41 ,  H01L29/72 ,  H01L29/74 ,  H01L29/00 ,  H01L27/24 ,  H01L27/22 ,  H01L27/01 ,  H01L51/05 ,  H01L29/417 ,  H05B45/30 ,  H01L29/51 ,  H01L49/02

摘要： A two-terminal device (TTD) capable of preventing leakage current by using diffusion current having bidirectionality and generated due to a potential barrier by an insulator, and a lighting device using the TTD are disclosed.